Masu Bincike Sun Gano Mahimman Mahimmanci a cikin Sirrin Sawfish Mating

Tallahassee, Florida. Afrilu 13, 2017. A karon farko a cikin shekaru 17 na binciken da aka yi a Florida, masana kimiyya sun gano wurin da za a iya haɗawa da kifin saƙar haƙori mai haɗari. A lokacin balaguro a farkon Afrilu zuwa ƙasa mara zurfi na Everglades National Park, ƙungiyar bincike ta kama, tambari, kuma ta saki manya manyan kifi guda uku (namiji ɗaya da mata biyu) a wani yanki da aka sani a baya na musamman azaman mazaunin sawfish na matasa. Dukansu ukun suna da laceration na musamman, da alama suna dawwama yayin saduwa, waɗanda suka yi daidai da tsarin haƙoran dabbobi masu kama da santsi. Ƙungiyar ta haɗa da masana kimiyya daga Jami'ar Jihar Florida (FSU) da National Atmospheric and Oceanic Administration (NOAA) waɗanda ke gudanar da bincike mai gudana da aka ba da izini a ƙarƙashin Dokar Kayayyakin Kaya (ESA) don saka idanu kan lafiyar yawan kifin.

"Mun dade muna zaci sana'ar sawfish wani abu ne mai tsauri da tabarbarewar kasuwanci, amma ba mu taba ganin sabon raunin da ya faru daidai da jima'in jima'i ba, ko kuma wata shaida da ke nuna cewa yana faruwa ne a wuraren da muka yi nazari da farko a matsayin wuraren da ake yin sawa," in ji shi. Dokta Dean Grubbs, Mataimakin Daraktan Bincike na FSU's Coastal and Marine Laboratory. "Yin gano inda kuma lokacin sawfish ma'aurata, da kuma ko sun yi haka a cikin nau'i-nau'i ko tarawa, yana da mahimmanci ga fahimtar tarihin rayuwarsu da ilimin halittu."

Masana kimiyya sun goyi bayan binciken su tare da duban dan tayi da kuma nazarin hormone wanda ya nuna cewa matan suna shirin yin ciki. Masu bincike na Florida sun kama manyan kifi maza da mata tare a lokuta kaɗan kawai, kuma a wurare kaɗan.

"Dukkanmu mun yi matukar farin ciki da wannan babban ci gaba a ƙoƙarinmu na gano abubuwan ban mamaki game da dabi'un kifin kifi," in ji Tonya Wiley, Maigidan kuma Shugaban Haven Worth Consulting tare da shekaru 16 na gwaninta na nazarin kifi. "Yayin da yawancin kudu maso yammacin Florida an sanya su a matsayin 'mahimman wurin zama' don kifin kananan hakori, wannan binciken ya nuna mahimmancin mahimmancin National Park na Everglades don kiyayewa da dawo da nau'in."

The smalltooth sawfish (Pristis pectinata) an jera a matsayin hadari a karkashin ESA a 2003. A karkashin jagorancin NOAA, jeri ya haifar da karfi na tarayya kariya ga jinsin, kariya ga m mazauninsu, wani m shirin dawo da, da kuma a hankali sarrafa bincike.

"Kifi na Florida yana da doguwar hanya don farfadowa, amma ci gaba mai ban sha'awa ya zuwa yanzu yana ba da darussa da bege ga sauran al'ummomin da ke cikin hadari a duniya," in ji Sonja Fordham, Shugabar Shark Advocates International, wani shiri na Gidauniyar Ocean Foundation. "Sabbin binciken na iya taimakawa kokarin kare gandun daji a lokuta masu mahimmanci, amma kuma ya nuna bukatar kare tsarin gandun dajin da ke tabbatar da mazaunin da ya dace, da kudade don bincike, da kuma dokar da ta yi nasara har zuwa yau."

Adireshin: Durene Gilbert
(850-697-4095, [email kariya]

Lura ga Editocin:
Asalin ɗanyen haƙori na Amurka: http://www.fisheries.noaa.gov/pr/species/fish/smalltooth-sawfish.html
Dr. Grubbs, Ms. Wiley, da Ms. Fordham suna hidima a kan NOAA's Sawfish Expementation Team. Ayyukan binciken da aka ambata a sama an gudanar da su a ƙarƙashin izinin ESA #17787 da izinin ENP EVER-2017-SCI-022.
A ƙarshen 2016, Dr. Grubbs ya ba da rahoton lura na farko na haihuwar sawfish (an rubuta a cikin Bahamas: https://marinelab.fsu.edu/aboutus/around-the-lab/articles/2016/sawfish-birth).
Asusun Kare Disney yana goyan bayan aikin isar da kifin haɗin gwiwa na Shark Advocates International da Haven Worth Consulting. Ma'aikatan Disney sun halarci balaguron sawa kifi na Afrilu 2017.